690 Allendale Rd, King Of Prussia, PA, 19406
About This Home
Spacious 7 Bedroom, 4.5 Bath Home with Flexible Living & In-Home Business Potential in Upper Merion Township. This expansive 4,182 sq. ft. home offers incredible versatility, ideal for multi-generational living or a potential in-home business setup. FIRST FLOOR: Features an open-concept layout connecting the living room, dining room, powder room, and kitchen. The kitchen is equipped with a center island and stainless steel appliances. This level also includes a private bedroom suite with its own kitchenette and a full bath featuring a double vanity, jetted tub, and separate shower—perfect for guests or extended family. SECOND FLOOR: Offers a comfortable sitting room, a spacious primary suite with a large walk-in closet, and a luxurious en-suite bath complete with a deep soaking tub and separate shower. Two additional bedrooms, a full hall bath, and a convenient second-floor laundry room complete this level. LOWER LEVEL: A fully finished walk-out level featuring a family room with patio access, kitchenette, three additional bedrooms, a full bath with shower, and a second laundry area—ideal for an in-law suite or extended living space. ADDITIONAL FEATURES: Sprinkler system, central vacuum, heated driveway with dedicated instant hot water heater, attached one-car garage, and flexible layout offering potential for in-law accommodations or a home-based business.
Getting Around
Car-Dependent
Some Transit
Somewhat BikeableSchools
Construction
Condition
- Property condition: Very Good
- Year built: 2009
Materials
- Foundation: Concrete Perimeter
- Construction materials: Vinyl Siding,Stone
Type & Style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subType: Single Family Residence
Interior
Appliances
- Appliances included: Instant Hot Water
- Laundry features: In Basement,Upper Level,Laundry Room
Basement
- Has basement: Yes
- Basement: Walk-Out Access,Finished,Drainage System
Bedrooms & Bathrooms
- Bedrooms: 7
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 1
Dining Room
- Level: Main
Family Room
- Level: Lower
Features
- Finished area below ground: 1,200
- Finished area above ground: 2,982
Heating & Cooling
- Heating features: Central,Natural Gas
- Cooling features: Central Air,Electric
Interior Area
- Total structure area: 4,182
- Total interior livable area: 4,182 sqft
Kitchen
- Level: Lower
Kitchen
- Level: Main
Laundry
- Level: Lower
Laundry
- Level: Upper
Living Room
- Level: Main
Sitting Room
- Level: Upper
Property
Accessibility
- Accessibility features: None
Details
- Parcel number: 580000293009
- Zoning: R-2A
- Special condition: Standard
Features
- Levels: Two and One Half
- Stories: 2
- Pool features: None
Lot
- Lot size: 0.48 Acres
- Lot size dimensions: 172.00 x 0.00
Parking
- Total spaces: 6
- Parking features: Basement,Inside Entrance,Attached,Driveway
- Has garage: Yes
- Attached garage spaces: 1
- Covered spaces: 1
- Has uncovered spaces: Yes
- Uncovered spaces: 5
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Inland Flooding
- Winter Weather
- Cold Wave
- Heat Wave
- Strong Wind
- Tornado
How This Home’s Risks Compare
FEMA Declared Disasters Across Pennsylvania Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $4,803 | $57,636 |
| Home Insurance * | $278 | $3,336 |
| Property Taxes | $1,021 | $12,252 |
| Electricity | $458 | $5,506 |
| Total | $6,560 | $78,720 |
Income You'd Need if You Spent...
Pennsylvania FAIR Plan Programs
Insurance Placement Facility of Pennsylvania/FAIR Plan
Wildfire
HailWindHow Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-05-07 | Listed for sale | $950,000 |
| 2026-04-29 | Listing removed | $950,000 |
| 2026-04-27 | Listed for sale | $950,000 |
| 2009-04-08 | Sold | $110,000 |
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